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14281457 is a prime number
BaseRepresentation
bin110110011110…
…101011110001
3222212120110212
4312132223301
512124001312
61230033505
7232250621
oct66365361
928776425
1014281457
118074963
124948895
132c60588
141c7a881
1513c1822
hexd9eaf1

14281457 has 2 divisors, whose sum is σ = 14281458. Its totient is φ = 14281456.

The previous prime is 14281453. The next prime is 14281469. The reversal of 14281457 is 75418241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13957696 + 323761 = 3736^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 14281457 - 22 = 14281453 is a prime.

It is a Chen prime.

It is equal to p927167 and since 14281457 and 927167 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (14281451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7140728 + 7140729.

It is an arithmetic number, because the mean of its divisors is an integer number (7140729).

Almost surely, 214281457 is an apocalyptic number.

It is an amenable number.

14281457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14281457 is an equidigital number, since it uses as much as digits as its factorization.

14281457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 32.

The square root of 14281457 is about 3779.0815021642. The cubic root of 14281457 is about 242.6186446035.

Adding to 14281457 its reverse (75418241), we get a palindrome (89699698).

The spelling of 14281457 in words is "fourteen million, two hundred eighty-one thousand, four hundred fifty-seven".